Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 222050
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
350 PM EST THU JAN 22 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...HIGH PRESSURE...AVERAGING 30.50 INCHES...ACROSS THE
SOUTHERN GREAT LAKES WILL DRIFT SOUTH AND EAST OF THE AREA FRIDAY AS
A COLD FRONT DROPS INTO THE NORTHERN LAKES. THIS FRONT WILL DROP
SOUTHWARD FRIDAY AFTERNOON THROUGH SATURDAY MORNING. A SECONDARY
COLD FRONT...AVERAGING 29.60 INCHES...WILL THEN SINK SOUTH THROUGH
THE REGION SATURDAY NIGHT.

LCZ460-230915-
LAKE ST CLAIR-
350 PM EST THU JAN 22 2015

.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY LATE EVENING. MOSTLY CLOUDY.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. PARTLY SUNNY.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING...THEN MOSTLY
CLOUDY WITH A CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. CLOUDY WITH A CHANCE OF LIGHT
SNOW SHOWERS.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS...BACKING TO THE EAST IN THE
AFTERNOON...THEN BECOMING NORTHEAST 10 TO 15 KNOTS BY EVENING.
CLOUDY. LIGHT SNOW LIKELY...THEN A CHANCE OF LIGHT SNOW SHOWERS BY
EVENING.
.MONDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT SNOW SHOWERS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DRK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


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